On Wed, 16 Oct 2013, Nikita Kiryanov wrote:
> Add regulator support for usb so that it would be possible to turn
> it on and off (also for suspend/resume).
>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Nikita Kiryanov <nikita@xxxxxxxxxxxxxx>
> Signed-off-by: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
> @@ -413,10 +420,16 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
> ohci->dev = &pdev->dev;
> ohci->clk = usb_clk;
> ohci->mmio_base = (void __iomem *)hcd->regs;
> + ohci->usb_regulator = regulator_get(&pdev->dev, "vcc usb");
> + if (IS_ERR(ohci->usb_regulator)) {
> + pr_err("could not obtain usb regulator");
dev_err(), please.
> + retval = PTR_ERR(ohci->usb_regulator);
> + goto err3;
> + }
>
> if ((retval = pxa27x_start_hc(ohci, &pdev->dev)) < 0) {
> pr_debug("pxa27x_start_hc failed");
> - goto err3;
> + goto err4;
> }
>
> /* Select Power Management Mode */
Alan Stern
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